vertical screenprint on windows and walls

Stefan Hoffmann uses the special technique of vertical screenprinting on windows and walls.
For temporary projects on windows he works with water based acrylic inks.
 

two video's of the printing proces:
http://stefanhoffmann.nl/brand_new_mocca_def/foto0.html

http://stefanhoffmann.nl/smile_def/smile_video.html

on-site work at CBK Amsterdam